◎ 题干
--- ____________ you seen the 3-D film Titanic yet?
--- Yes. I __________it a few days ago.
A.Did , sawB.Have, sawC.Do, have seenD.Have, have seen
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--- ____________ you seen the 3-D film Titanic yet? --- Yes. I __________it a few days ago.A.Did , sawB.Have, sawC.Do, have seenD.Have, have seen…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。